SPF Scout · Ingredient
Hydroxypropyl Starch Phosphate
CAS 53124-00-8 / 39346-84-4 / 113894-92-1
What this ingredient generally does
A starch-based ingredient that adds bulk and adjusts thickness. It helps fill out the formula and control its texture.
Reviewed before publication. This note describes function in a formulation — nothing else.
Published formulations that list this ingredient
These are the formulations currently published in the SPF Scout catalog whose stored ingredient declaration includes this ingredient. It is not a list of every product on the market, and the order carries no meaning.
Eucerin Eucerin Face immersive Hydration
U.S. formulation
La Roche-Posay La Roche Posay Anthelios UV Air Serum Sunscreen Broad Spectrum SPF 50
SPF 50 as labeled · U.S. formulation
La Roche-Posay La Roche Posay Anthelios UV Clear Daily Invisible Broad Spectrum SPF 50 Sunscreen
SPF 50 as labeled · U.S. formulation
La Roche-Posay La Roche Posay Laboratoire Dermatologique Anthelios UV Tone Broad Spectrum SPF 50 Sunscreen
SPF 50 as labeled · U.S. formulation
Lancôme Lancome Paris UV Expert Supra Screen Invisible Sunscreen Serum Broad Spectrum SPF 50
SPF 50 as labeled · U.S. formulation
Checking this against your own list
You can select this ingredient in the SPF Scout app as one to flag. The app compares your selections against a product's stored declaration on your device; your list never reaches this website.
This comparison does not predict whether your skin will react.
Where this information comes from
Ingredient names, CAS numbers and recorded functions come from SPF Scout’s curated ingredient dictionary, grounded in CosIng, the European Commission’s Cosmetic Ingredient Database. Content © European Union, reused with acknowledgement.